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Molal Solubility, Dissociation, Association and Solvation Parameters for Saturated O -Chlorobenzoic Acid Solutions in Various Solvents at 298.15 K

DOI: 10.5923/j.fph.20120203.01

Keywords: Keywords Solubility, Dissociation Constants, Association Constants, Different Volumes, Solvation Parameters, Free Energies ,Orthochlorobenzoic Acid

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The molal solubility for saturated solutions of O -chlorobenzoic acid at 298.15 K in various solvents was determined. The solvents used are, water (W), ethanol (Et), dimethylsulphoxide (DMSO), acetonitrile (AN), methanol (Me), 1-4, dioxane (Di) and N , N-dimethylformamide (DMF).From the experimental data for solubility, pH , densities, the different volumes, free energies, dissociation constants, association constants and solvation parameters were estimated. Also the free energies of dissociation and association were also evaluated. Other solvation parameters like the solvation numbers were cited here to help explaining the solubility trend.This work give a lot of data for the solubility of orthochlorobenzoic acid which help the biologist for using it as food preserver .The results were also discussed.


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